104 lines
3.0 KiB
Ruby
104 lines
3.0 KiB
Ruby
# Copyright 2013 Google Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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require 'google/api_client/service/result'
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require 'google/api_client/batch'
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module Google
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class APIClient
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class Service
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##
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# Helper class to contain the result of an individual batched call.
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#
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class BatchedCallResult < Result
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# @return [Fixnum] Index of the call
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def call_index
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return @base_result.response.call_id.to_i - 1
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end
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end
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##
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#
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#
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class BatchRequest
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##
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# Creates a new batch request.
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# This class shouldn't be instantiated directly, but rather through
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# Service.batch.
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#
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# @param [Array] calls
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# List of Google::APIClient::Service::Request to be made.
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# @param [Proc] block
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# Callback for every call's response. Won't be called if a call
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# defined a callback of its own.
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#
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# @yield [Google::APIClient::Service::Result]
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# block to be called when result ready
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def initialize(service, calls, &block)
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@service = service
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@base_batch = Google::APIClient::BatchRequest.new
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@global_callback = block if block_given?
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if calls && calls.length > 0
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calls.each do |call|
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add(call)
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end
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end
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end
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##
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# Add a new call to the batch request.
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#
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# @param [Google::APIClient::Service::Request] call
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# the call to be added.
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# @param [Proc] block
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# callback for this call's response.
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#
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# @return [Google::APIClient::Service::BatchRequest]
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# the BatchRequest, for chaining
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#
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# @yield [Google::APIClient::Service::Result]
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# block to be called when result ready
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def add(call, &block)
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if !block_given? && @global_callback.nil?
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raise BatchError, 'Request needs a block'
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end
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callback = block || @global_callback
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base_call = {
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:api_method => call.method,
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:parameters => call.parameters
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}
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@base_batch.add(base_call) do |base_result|
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result = Google::APIClient::Service::BatchedCallResult.new(
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call, base_result)
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callback.call(result)
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end
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return self
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end
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##
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# Executes the batch request.
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def execute
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@service.execute(self)
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end
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attr_reader :base_batch
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end
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end
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end
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end
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